gulpfile.js

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

const gulp = require('gulp');

const ts = require('gulp-typescript');
const typescript = require('typescript');
const sourcemaps = require('gulp-sourcemaps');
const del = require('del');
const es = require('event-stream');
const vsce = require('vsce');
const nls = require('vscode-nls-dev');

const tsProject = ts.createProject('./tsconfig.json', { typescript });

const inlineMap = true;
const inlineSource = false;
const outDest = 'out';

// If all VS Code langaues are support you can use nls.coreLanguages
const languages = [{ folderName: 'zh-cn', id: 'zh-cn' }];

const cleanTask = function () {
  return del(['out/**', 'package.nls.*.json', 'i18n-sample*.vsix']);
};

const internalCompileTask = function () {
  return doCompile(false);
};

const internalNlsCompileTask = function () {
  return doCompile(true);
};

const addI18nTask = function () {
  return gulp.src(['package.nls.json']).pipe(nls.createAdditionalLanguageFiles(languages, 'i18n')).pipe(gulp.dest('.'));
};

const buildTask = gulp.series(cleanTask, internalNlsCompileTask, addI18nTask);

const doCompile = function (buildNls) {
  var r = tsProject
    .src()
    .pipe(sourcemaps.init())
    .pipe(tsProject())
    .js.pipe(buildNls ? nls.rewriteLocalizeCalls() : es.through())
    .pipe(buildNls ? nls.createAdditionalLanguageFiles(languages, 'i18n', 'out') : es.through());

  if (inlineMap && inlineSource) {
    r = r.pipe(sourcemaps.write());
  } else {
    r = r.pipe(
      sourcemaps.write('../out', {
        // no inlined source
        includeContent: inlineSource,
        // Return relative source map root directories per file.
        sourceRoot: '../src',
      }),
    );
  }

  return r.pipe(gulp.dest(outDest));
};

const vscePublishTask = function () {
  return vsce.publish();
};

const vscePackageTask = function () {
  return vsce.createVSIX({ useYarn: false });
};

gulp.task('default', buildTask);

gulp.task('clean', cleanTask);

gulp.task('compile', gulp.series(cleanTask, internalCompileTask));

gulp.task('build', buildTask);

gulp.task('publish', gulp.series(buildTask, vscePublishTask));

gulp.task('package', gulp.series(buildTask, vscePackageTask));

gulp.task('watch', () => {
  buildTask();
  gulp.watch(['src/*.ts', './i18n/**/*.json'], buildTask);
});